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* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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package org.teiid.translator.salesforce.execution;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;
import javax.resource.ResourceException;
import org.teiid.core.types.DataTypeManager;
import org.teiid.language.ColumnReference;
import org.teiid.language.Command;
import org.teiid.language.Expression;
import org.teiid.language.ExpressionValueSource;
import org.teiid.language.Insert;
import org.teiid.language.Literal;
import org.teiid.language.Parameter;
import org.teiid.metadata.Column;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.DataNotAvailableException;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.salesforce.SalesForceExecutionFactory;
import org.teiid.translator.salesforce.SalesForcePlugin;
import org.teiid.translator.salesforce.SalesforceConnection;
import org.teiid.translator.salesforce.execution.visitors.InsertVisitor;
import com.sforce.async.BatchResult;
import com.sforce.async.JobInfo;
import com.sforce.async.JobStateEnum;
import com.sforce.async.OperationEnum;
import com.sforce.async.Result;
import com.sforce.async.SObject;
public class InsertExecutionImpl extends AbstractUpdateExecution {
private static SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ"); //$NON-NLS-1$
private JobInfo activeJob;
private List<String> batches = new ArrayList<String>();
private Iterator<? extends List<?>> rowIter;
private String objectName;
private List<Integer> counts;
public InsertExecutionImpl(SalesForceExecutionFactory ef, Command command,
SalesforceConnection salesforceConnection,
RuntimeMetadata metadata, ExecutionContext context) throws TranslatorException {
super(ef, command, salesforceConnection, metadata, context);
Insert insert = (Insert)command;
if (insert.getParameterValues() != null) {
this.rowIter = insert.getParameterValues();
}
InsertVisitor visitor = new InsertVisitor(getMetadata());
visitor.visit(insert);
this.objectName = visitor.getTableName();
}
@Override
public void execute() throws TranslatorException {
try {
Insert insert = (Insert)command;
if (insert.getParameterValues() == null) {
DataPayload data = new DataPayload();
data.setType(this.objectName);
buildSingleRowInsertPayload(insert, data);
if (insert.isUpsert()) {
result = getConnection().upsert(data);
} else {
result = getConnection().create(data);
}
}
else {
if (this.activeJob == null) {
this.activeJob = getConnection().createBulkJob(this.objectName, insert.isUpsert()?OperationEnum.upsert:OperationEnum.insert, false);
counts = new ArrayList<Integer>();
}
if (this.activeJob.getState() == JobStateEnum.Open) {
while (this.rowIter.hasNext()) {
List<SObject> rows = buildBulkRowPayload(insert, this.rowIter, this.executionFactory.getMaxBulkInsertBatchSize());
batches.add(getConnection().addBatch(rows, activeJob));
}
this.activeJob = getConnection().closeJob(this.activeJob.getId());
}
BatchResult[] batchResult = getConnection().getBulkResults(this.activeJob, batches);
for(BatchResult br:batchResult) {
for (Result r : br.getResult()) {
if (r.isSuccess() && r.isCreated()) {
counts.add(1);
} else if (r.getErrors().length > 0) {
counts.add(Statement.EXECUTE_FAILED);
this.context.addWarning(new SQLWarning(r.getErrors()[0].getMessage(), r.getErrors()[0].getStatusCode().name()));
} else {
counts.add(Statement.SUCCESS_NO_INFO);
}
}
}
// now process the next set of batch rows
this.activeJob = null;
}
} catch (ResourceException e) {
throw new TranslatorException(e);
}
}
private void buildSingleRowInsertPayload(Insert insert, DataPayload data) throws TranslatorException {
List<ColumnReference> columns = insert.getColumns();
List<Expression> values = ((ExpressionValueSource)insert.getValueSource()).getValues();
if(columns.size() != values.size()) {
throw new TranslatorException(SalesForcePlugin.Util.gs(SalesForcePlugin.Event.TEIID13006));
}
for(int i = 0; i < columns.size(); i++) {
Column column = columns.get(i).getMetadataObject();
Object value = values.get(i);
if(!(value instanceof Literal)) {
throw new TranslatorException(SalesForcePlugin.Util.gs(SalesForcePlugin.Event.TEIID13007));
}
Literal literalValue = (Literal)values.get(i);
Object val = literalValue.getValue();
if (val instanceof Timestamp) {
Calendar cal = Calendar.getInstance();
cal.setTime((Timestamp)val);
val = cal;
}
data.addField(column.getSourceName(), val);
}
}
private String getStringValue(Object val, Class<?> type) {
if (val == null) {
return null;
}
if (type.equals(DataTypeManager.DefaultDataClasses.TIMESTAMP)) {
return SDF.format(val);
}
return val.toString();
}
protected List<com.sforce.async.SObject> buildBulkRowPayload(Insert insert, Iterator<? extends List<?>> it, int rowCount) throws TranslatorException {
List<com.sforce.async.SObject> rows = new ArrayList<com.sforce.async.SObject>();
List<ColumnReference> columns = insert.getColumns();
int boundCount = 0;
List<Expression> literalValues = ((ExpressionValueSource)insert.getValueSource()).getValues();
while (it.hasNext()) {
if (boundCount >= rowCount) {
break;
}
boundCount++;
List<?> values = it.next();
com.sforce.async.SObject sobj = new com.sforce.async.SObject();
for(int i = 0; i < columns.size(); i++) {
Expression ex = literalValues.get(i);
ColumnReference element = columns.get(i);
Column column = element.getMetadataObject();
Class<?> type = ex.getType();
Object value = null;
if (ex instanceof Parameter) {
value = values.get(((Parameter)ex).getValueIndex());
} else if(!(ex instanceof Literal)) {
throw new TranslatorException(SalesForcePlugin.Util.gs(SalesForcePlugin.Event.TEIID13007));
} else {
value = ((Literal)ex).getValue();
}
sobj.setField(column.getSourceName(), getStringValue(value, type));
}
rows.add(sobj);
}
return rows;
}
@Override
public int[] getUpdateCounts() throws DataNotAvailableException, TranslatorException {
if (counts != null) {
int[] countArray = new int[counts.size()];
for (int i = 0; i < countArray.length; i++) {
countArray[i] = counts.get(i);
}
return countArray;
}
return new int[] { result };
}
@Override
public void cancel() throws TranslatorException {
if (this.activeJob != null) {
try {
getConnection().cancelBulkJob(this.activeJob);
} catch (ResourceException e) {
throw new TranslatorException(e);
}
}
}
}